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Vehicle Wiring Diagrams +/- Indicators


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webpager 
Member - Posts: 24
Member spacespace
Joined: February 23, 2014
Location: Connecticut, United States
Posted: September 18, 2018 at 7:45 PM / IP Logged Link to Post Post Reply Quote webpager
I have a question about some vehicle wiring. I'm creating something for a 1999 Ford Taurus Wagon (programmed key, factory alarm). The wiring diagram is at: https://www.the12volt.com/installbay/alarmdetail/926.html
Some of the items show a positive or negative next to the wire color. For example, the factory alarm disarm shows as a pink/white jacketed wire, with a negative.
My question: I'm assuming that this is the ground side of the circuit, and that, whether latching or momentary, the disarm function needs to be grounded to disarm. Am I understanding that correctly?
I have some other questions that I will post under appropriate forum headings.
Thanks,
webpager
Webpager - Upfitter, computer guy, car guy. I can't tell the difference between Columbian or African coffee, but I knew at age 4 the difference between volts, watts and ohms.
geepherder 
Platinum - Posts: 3,599
Platinum spaceThis member consistently provides reliable informationspace
Joined: October 27, 2003
Posted: September 18, 2018 at 10:56 PM / IP Logged Link to Post Post Reply Quote geepherder
webpager wrote:
My question: I'm assuming that this is the ground side of the circuit, and that, whether latching or momentary, the disarm function needs to be grounded to disarm. Am I understanding that correctly?
webpager
yes
My ex once told me I have a perfect face for radio.
webpager 
Member - Posts: 24
Member spacespace
Joined: February 23, 2014
Location: Connecticut, United States
Posted: September 19, 2018 at 5:47 PM / IP Logged Link to Post Post Reply Quote webpager
Thank you.
Funny about your ex, my chorus teacher said I had the perfect voice for writing.
Webpager - Upfitter, computer guy, car guy. I can't tell the difference between Columbian or African coffee, but I knew at age 4 the difference between volts, watts and ohms.

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